var Person = {
	age:15,
	getAge : function(){
		alert("age:"+this.age);
	}
};

function Car() {
	var speed = 0;
	this.getSuperSpeed = function() {
		return this.speed;
	}
	return {
		getSpeed : function() {
			return this.speed;
		},
		setSpeed : function(speed) {
			this.speed = speed;
		}
	}

};
var c = new Car();

